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Apple M5 Pro 18-Core

Apple M5 18-Core

The Apple M5 Pro (18-Core) is a high-end system-on-a-chip (SoC) designed for premium laptops, introduced in March 2026 alongside the updated 14-inch and 16-inch MacBook Pro lineup. Built on Apple's all-new "Fusion Architecture" utilizing a third-generation 3-nanometer process, the SoC uses advanced packaging to combine two dies into a single chip using SoIC-mH (by TSMC according to rumors).

Architecture and CPU Performance

The M5 Pro shifts Apple's core naming conventions and features an 18-core CPU setup. It combines 6 "Super Cores"—which deliver the world's fastest single-threaded performance via an enhanced cache hierarchy and increased front-end bandwidth—with 12 "Performance Cores" optimized for power-efficient multithreaded processing. According to Apple, this new configuration results in up to a 30% increase in multithreaded performance for demanding pro workloads compared to the M4 Pro.

Compared to other SoCs, the 18-core M5 Pro should be able to outperform the older 16-core M4 Max, positioning itself at the top of the mobile SoC class. In terms of single-core performance, the M5 Pro should deliver comparable results to the Apple M5, which topped our charts in Geekbench 6.5 Single, for example (ahead of the Qualcomm Snapdragon X2 Elite Extreme X2E-96-100 and the M4 SoCs).

For graphics, the SoC scales up to a next-generation 20-core GPU. It features an enhanced shader core, second-generation dynamic caching, and hardware-accelerated mesh shading. This delivers up to 20% higher raw graphics performance than the M4 Pro.

Additionally, the chip boasts a nice bump in AI performance. By integrating a faster 16-core Neural Engine and placing dedicated Neural Accelerators inside each GPU core, the M5 Pro pushes over 4x the peak GPU compute for AI compared to its predecessor.

The M5 Pro supports up to 64 GB of unified memory with a maximum memory bandwidth of 307 GB/s. The SoC also packs Apple’s latest Media Engine (supporting hardware-accelerated H.264, HEVC, AV1 decoding, and ProRes encode/decode) and introduces native, on-chip controllers for Thunderbolt 5, allowing for unprecedented high-speed I/O connectivity.

The SoC is manufactured in the modern 3nm process at TSMC (N3P).

SeriesApple M5

Series: M5

Apple M5 Pro 18-Core « 3.05 - 4.61 GHz18 / 18 cores
Apple M5 9-Core compare3.05 - 4.61 GHz9 / 9 cores
Clock Rate3048 - 4608 MHz
Number of Cores / Threads18 / 18
6 x 4.6 GHz Apple M5 S-Core
12 x Apple M5 P-Core
Manufacturing Technology3 nm
64 Bit64 Bit support
ArchitectureARM
Announcement Date03/03/2026
Product Link (external)www.apple.com

Benchmarks

- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

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  • $2,699.00
    Apple 2026 MacBook Pro Laptop with Apple M5 Pro chip with 18-core CPU and 20-core GPU: Built for AI, 16.2-inch Liquid Retina XDR Display, 24GB Unified Memory, 1TB SSD, Wi-Fi 7; Space Black
  • $2,699.00
    Apple 2026 MacBook Pro Laptop with Apple M5 Pro chip with 18-core CPU and 20-core GPU: Built for AI, 16.2-inch Liquid Retina XDR Display, 24GB Unified Memory, 1TB SSD, Wi-Fi 7; Silver
  • $3,099.00
    Apple 2026 MacBook Pro Laptop with Apple M5 Pro chip with 18-core CPU and 20-core GPU: Built for AI, 16.2-inch Liquid Retina XDR Display, 48GB Unified Memory, 1TB SSD, Wi-Fi 7; Space Black
  • $3,078.00
    Apple 2026 MacBook Pro Laptop with Apple M5 Pro chip with 18-core CPU and 20-core GPU: Built for AI, 14.2-inch Display, 24GB Unified Memory, 2TB SSD, Wi-Fi 7; Space Black with AppleCare+ (3 Years)
  • $3,078.00
    Apple 2026 MacBook Pro Laptop with Apple M5 Pro chip with 18-core CPU and 20-core GPU: Built for AI, 14.2-inch Display, 24GB Unified Memory, 2TB SSD, Wi-Fi 7; Silver with AppleCare+ (3 Years)

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v1.35
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#3 did not recreate cache, as it is less than 5 days old! Created at Wed, 04 Mar 2026 05:29:37 +0100 +0.001s ... 0.001s

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#10 return log +0.465s ... 0.486s

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Benchmarklist of all known CPUs that are used in laptops (desktop and laptop CPUs)

Other CPUs of the series M5

» Apple M5 Pro 18-Core
   18x 3.05 GHz - 4.61 GHz
» Apple M5 10-Core
   10x 3.05 GHz - 4.61 GHz
» Apple M5 9-Core
   9x 3.05 GHz - 4.61 GHz

Surrounding CPUs

+ Apple M4 Max 16-Core
   16x 2.59 GHz - 4.51 GHz
+ AMD Ryzen 9 9955HX3D
   16x 2.5 GHz - 5.4 GHz
» Apple M5 Pro 18-Core
   18x 3.05 GHz - 4.61 GHz
- Apple M4 Max 14-Core
   14x 2.59 GHz - 4.51 GHz
- Intel Core Ultra 7 255U
   1.7 GHz - 5.2 GHz
- Intel Core Ultra 9 295HX
   24x 2.1 GHz
- AMD Ryzen 9 9955HX
   16x 2.5 GHz - 5.4 GHz
- Intel Core Ultra 9 285HX
   24x 2.1 GHz - 5.5 GHz
Klaus Hinum (Update: 2026-03- 4)